can I Install Firefox on Linux OS?

Yes, you can install Firefox in your Linux OS PC.Many Linux distributions include Firefox by default, and most have a package management system that lets you easily install Firefox. Generally, you should install from package management. Package management will:
• Ensure that you have all the required libraries
• Install Firefox in a way that works best with your distribution
• Create shortcuts to launch Firefox
• Make Firefox available to all users of your computer
• Make removing Firefox work the same as removing any other application
For more information’s you can refer to this link http://support.mozilla.org/en-US/kb/install-firefox-linux